[GHC] #7850: Strangely high memory usage on optimized Ackermann function

[GHC]

#7850: Strangely high memory usage on optimized Ackermann function
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Reporter:  dolio                    |          Owner:                  
    Type:  bug                      |         Status:  new             
Priority:  normal                   |      Component:  Compiler        
 Version:  7.6.2                    |       Keywords:                  
      Os:  Linux                    |   Architecture:  Unknown/Multiple
 Failure:  Runtime performance bug  |      Blockedby:                  
Blocking:                           |        Related:                  
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Comment(by Khudyakov):

 I've tried GHC 7.0.4, 7.2.2 7.4.2 and 7.6.2 on x64. All except 7.0.4
 consume a lot of memmory.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7850#comment:3>
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